Impeller for water craft



Sept. 5, 1933. R. D. sTRoUT IMPELLER FOR WATER CRAFT Filed Sept. 26,1952 INVENTOR H IS ATTORNEYS- rs rffrsNr orties IMPELLER FOR WATER CRAFTRay D. Strout, La Salle, Ill.

Application September 26, 1932 Serial No. 634,954

2 Claims. (Cl. 115-28) This invention relates to certain novelimprovesubstantially parallel leaves 19 of the blade 16 bements inimpellers for watercraft, and has for ins Separated by Spacers 20. itsprincipal object the provision of an improved The lower @dse f theportion 17 0f the blade 16 construction of this character which will behighly bears on a retaining collar 21 attached to the efiicient in useand economical in manufacture. depending SUPPOTtDg arm 15 The blade iSDTS- 60 This application is similar to my abandoned vented from movingupwardly on the arm 15 by application iiled June 11, 1931, Ser. No.543,549, means of a collar 22 attached to arm 15. Collar on an Impellerfor watercraft. 22 is disposed in a notched portion 24 of the blade Theobject of this invention is to provide a sim- 16. This collar 22 hasformed integral therewith ple, relatively inexpensive device forimpelling a Dall Of dveeeht arms 23 WhCh aCl aS SODS t0 65 watercraft,especially small boats, in a manner limit movement or" the blade 16,relative to its similar to that which is known as sculling, supportingarm 15, in a manner presently to be Other objects will appearhereinafter, described. The invention consists in the novel combina- Inuse the rod l0 is pivotally manipulated back tion and arrangement ofparts to be hereinafter and forth in a sculling motion, by means or 70described and claimed. handle 25, causing the blade 16 to move back andThe invention will be best understood by refforth through the water, asindicated in dotted erence to the accompanying drawing, showing lines(Fig. 2); the blade thus imparting motion the preferred form ofconstruction and in which: to the craft 11. As the arm l5 is moved backand Fig. l is a side elevational View of a preferred -forth between theextremities of its arc of move- 75 form of the invention associated witha typical ment the blade 16 pivots at 17 on the arm 15 and watercraft orboat; abuts first one and then the other of the stop arms Fig. 2 is atop plan View or" the same on line 23, which thus limit movement oftheblade 16 rel- 2-2 of Fig. 1; ative to its supporting arm 15. l

Fig. 3 is a perspective View of the new device Suitable mechanical means(not shown) may, 80 detached from the boat; if desired, be associatedwith the rod 14 to oscil- Fig. 4: is a sectional view on line 4-4 inFig. 3; late the same back and forth if desired.

Fig, 5 is a sectional view on line 5 5 in Fig. While I have illustratedand described the pre- 3; and v ferred form of construction for carryingmy in- '30 Fig. 6 is a sectional View on line 6 6 in Fig. 4. ventioninto effect, this is capable or variation and 85 1n the drawing, whichillustrates a preferred modification, without departing from the spiritof form of the invention, the same is indicated genthe invention. 1,therefore, do not wish to be limerally at 10 and is associated with atypical waited to the precise details of construction set forth,tercrait or small boat 11 oi conventional debut desire to avail myselfof such variations and sign. The new impeller comprises a verticalmodineations as come within the scope of the support or standard 12 forattachment to the appended claims. boat 11, as shown. Pivotally mountedon this Having thus described my invention what I support 12 by means ofa sleeve 13, for swinging claim as new and desire to protect by Lettersmovement in a substantially horizontal plane, is Patent is:

an operating member 14 which has at one end a 1. An impeller for smallwatercraft, comprisvertically extending supporting portion 15. This ingan operating member, means for pivotally operating member 14 is mountedbetween its end mounting said operating member between its ends on thesupport 12 so that one end portion 25 of on asmall watercraft, saidoperating member the rod 14 serves as a handle. including a verticallydepending supporting por- Pivotally mounted, as at 17, on a dependingtion, an impeller blade having one end pivotally portion 15 of theoperating member 11i, for swingmounted on said depending portion, saidblade being movement in a substantially horizontal plane, ing formedfrom a single continuous sheet of mais an impeller blade 16. Thispivotal mounting terial and including substantially parallel leaves,

O the blade l5 0I1 the depending arm l5 may be said leaves being joinedtogether at one end and BBCG in 2t Dumber Of delell WSNS but e plebeingbent around and embracing said supporting l ferred way of doing this isshown and consists in portion at their other ends, and a member on saidforming the blade 16 of a sheet oi metal which is supporting portionincluding a pair of divergent bent back upon itself about the dependingarm stop arms for limiting pivotal movement of said 15, as at 17 (Figs.4 and 6) the ends of the sheet blade relative to said supportingportion. 110

16 being joined together as at 18, and the opposed 2. An impeller forsmall watercraft, comprising an operating member, means for pivotallymounting said operating member between its ends on a small watercraft,said operating member including a vertically dependingsupporting'portion, an

Yimpeller blade having one end pivotally mounted on said dependingportion, said blade being formed from a single continuous sheet ofmaterial and including substantially parallel leaves, said leaves beingjoined together atrone end and being bent around and embracing saidsupporting portion at their other ends, said blade having a cut-outportion providing a notch therein at the A intersection of the kupperedge of the blade and

